Answer:
90
Step-by-step explanation:
216/36= 6
6 times 15=90
Hope this helped
:)
2x + x = 180
This is because 2x is on one side while x is on the other, if those two angles add up they must add up to 180 because the two angles form a 180 degree angle or just a straight line
2x + x = 180
3x = 180
x = 60
